APA-Zitierstil (7. Ausg.)

Sawyer, J. O. (1989). Selected vegetation types in diverse tropical environments in Costa Rica (Reprint.). UMI.

Chicago-Zitierstil (17. Ausg.)

Sawyer, John O. Selected Vegetation Types in Diverse Tropical Environments in Costa Rica. Reprint. Ann Arbor, Michigan: UMI, 1989.

MLA-Zitierstil (9. Ausg.)

Sawyer, John O. Selected Vegetation Types in Diverse Tropical Environments in Costa Rica. Reprint. UMI, 1989.